January 25, 2013

S-SB-0004-13

HVAC Drain Tube Clogged with Debris
Service
Category

Vehicle Interior

Section

Heating/Air Conditioning

Market

USA

Applicability
YEAR(S)

MODEL(S)

2008 – 2012

xD

ADDITIONAL INFORMATION

Introduction

Some 2008 – 2012 Scion xD vehicles may exhibit a condition where water from the HVAC case leaks
on the carpet if the HVAC evaporator drain is becoming blocked with debris. A new cowl panel has
been made available to help prevent debris from entering the HVAC unit. Follow the procedure listed
in this bulletin to remove and replace the cowl panel.
Production Change Information

This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs shown
below.
MODEL

Scion xD

DRIVETRAIN

PRODUCTION CHANGE EFFECTIVE VIN

AT

JTKKU4B4#C1028535

MT

JTKKU4B4#C1028553

Parts Information
PREVIOUS PART NUMBER

CURRENT PART NUMBER

PART NAME

QTY

55708-52160

55708-52161

Louver Sub-assembly, Cowl Top
Ventilator, RH

1

© 2013 Toyota Motor Sales, USA

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HVAC Drain Tube Clogged with Debris

Warranty Information
OP CODE

DESCRIPTION

TIME

OFP

T1

T2

BD1242

R & R Right Cowl Louver Sub-assembly

0.5

55708-52160

66

54

APPLICABLE WARRANTY
• This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
• Warranty application is limited to occurrence of the specified condition described in this
bulletin.

Repair Procedure

1. Verify the HVAC evaporator drain hose is blocked with debris.
2. Remove the HVAC blower motor and clean the HVAC blower motor housing.
3. Remove the HVAC drain tube and verify the drain tube and HVAC box are not blocked with
debris. If there is debris in the HVAC Box or drain tube remove the debris before continuing
with this repair.
4. Remove front wiper arm head caps.

Figure 1..

A. Use a screwdriver with the head wrapped in
protective tape.
B. Disengage the 2 claws and remove the 2 front
wiper arm caps.

© 2013 Toyota Motor Sales, USA

January 25, 2013

S-SB-0004-13

HVAC Drain Tube Clogged with Debris

Repair Procedure (Continued)

5. Remove front wiper arm and blade assembly.

Figure 2..

A. Operate the wiper, then stop the wiper motor
in the automatic stop position.
B. Remove the nut and front wiper arm and blade
assemblies.

6. Remove hood to cowl top seal by disengaging
the 7 clips.

Figure 3..

7. Remove right cowl top ventilator louver
sub-assembly.

Figure 4..

A. Remove the clip.
B. Disengage the 4 claws and 4 guides and
remove the cowl top ventilator louver.

© 2013 Toyota Motor Sales, USA

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January 25, 2013

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HVAC Drain Tube Clogged with Debris

Repair Procedure (Continued)

8. Install the NEW cowl top ventilator louver
sub-assembly by engaging the 4 claws.

Figure 5..

9. Install hood to cowl top seal by engaging the 7
clips.

Figure 6..

© 2013 Toyota Motor Sales, USA

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HVAC Drain Tube Clogged with Debris

Repair Procedure (Continued)

10. Install left front wiper arm and blade assembly.

Figure 7..

A. Clean any metal powder or debris off the
serrated part of the wiper arm with a round
wire brush or equivalent.

1

B. Clean the wiper pivot serrations with a wire
brush.
C. Operate the wiper, then stop the wiper motor
in the automatic stop position.
2

3

11. Align the blade tip with the mark on the glass.

1

Wiper Arm Serrations

2

Wire Brush

3

Wiper Pivot Serrations

Figure 8..

Tighten the nut on the front wiper arm.
Torque: 26 N*m (265 kgf*cm, 19 ft*lbf)

1

1

© 2013 Toyota Motor Sales, USA

Mark for Blade Position

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HVAC Drain Tube Clogged with Debris

Repair Procedure (Continued)

12. Install Right front wiper arm and blade assembly

Figure 9..

A. Clean any metal powder or debris off the
serrated part of the wiper arm with a round
wire brush or the equivalent.

1

B. Clean the wiper pivot serrations with a wire
brush.
C. Operate the wiper, then stop the wiper motor
in the automatic stop position.
2

3

13. Align the blade tip with the mark on the glass.

1

Wiper Arm Serrations

2

Wire Brush

3

Wiper Pivot Serrations

Figure 10..

Tighten the nut on the front wiper arm.
Torque: 26 N*m (265 kgf*cm, 19 ft*lbf)

1

1

© 2013 Toyota Motor Sales, USA

Mark for Blade Position

January 25, 2013

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HVAC Drain Tube Clogged with Debris

Repair Procedure (Continued)

14. Install RH/LH front wiper arm head caps by
engaging the 2 claws and installing the 2 front
wiper arm head caps.

Figure 11..

15. Verify proper wiper operation.
16. Verify proper HVAC system operation and evaporator drainage.

© 2013 Toyota Motor Sales, USA

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